This Watergate Salad, also known as Pistachio Salad, Pistachio Delight or Pistachio Fluff or Green Fluff, can be a side salad or dessert salad and is a sweet, cool, crunchy dessert made with pistachio pudding, whipped topping, crushed pineapple, mini marshmallows, pecans, and coconut. Whether it brings back memories of carnivals, county fairs, backyard BBQ’s…